The average train between Harwich and Slough takes 3h 1m and the fastest train takes 2h 15m. There is a train service every few hours from Harwich to Slough. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Trains run hourly between Harwich and Slough. The earliest departure is at 5:24 AM in the morning, and the last departure from Harwich is at 11:26 PM which arrives into Slough at 7:19 AM. All services require a transfer at Manningtree and take an average of 3h 1m. The schedules shown below are for the next available departures.


2h 32m • 2 changes


2h 35m • 2 changes
Arrives next day


2h 52m • 2 changes
Arrives next day


8h 21m • 2 changes


2h 24m • 2 changes


2h 24m • 2 changes


2h 30m • 2 changes


2h 50m • 2 changes


2h 24m • 2 changes


2h 24m • 2 changes


2h 30m • 2 changes


2h 50m • 2 changes
Want to know about travelling from Harwich to Slough? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.
No, there is no direct train from Harwich to Slough. However, there are services departing from Harwich station and arriving at Slough station via London Liverpool Street. The journey, including transfers, takes approximately 3h 1m.
Harwich to Slough train services, operated by Greater Anglia, depart from Manningtree station.
Harwich to Slough train services, operated by Greater Anglia, arrive at Slough station.
Book your Harwich to Slough train tickets online with Greater Anglia and Elizabeth Line (TfL).
The distance between Harwich and Slough is 138.1 km. The road distance is 150 km.
You can take a train from Harwich Town to Slough via Manningtree, London Liverpool Street, and Liverpool Street Station in around 2h 29m.